/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */
package org.hisp.dhis.program;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;

import java.util.HashSet;
import java.util.Set;
import org.hisp.dhis.common.IdentifiableObjectManager;
import org.hisp.dhis.dataelement.DataElement;
import org.hisp.dhis.dataelement.DataElementService;
import org.hisp.dhis.organisationunit.OrganisationUnit;
import org.hisp.dhis.organisationunit.OrganisationUnitService;
import org.hisp.dhis.test.integration.PostgresIntegrationTestBase;
import org.hisp.dhis.trackedentity.TrackedEntity;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInstance;
import org.junit.jupiter.api.TestInstance.Lifecycle;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author Chau Thu Tran
 */
@TestInstance(Lifecycle.PER_CLASS)
@Transactional
class ProgramExpressionServiceTest extends PostgresIntegrationTestBase {

  @Autowired private ProgramExpressionService programExpressionService;

  @Autowired private IdentifiableObjectManager manager;

  @Autowired private OrganisationUnitService organisationUnitService;

  @Autowired private DataElementService dataElementService;

  @Autowired private ProgramService programService;

  @Autowired private ProgramStageService programStageService;

  private ProgramExpression programExpressionA;

  private ProgramExpression programExpressionB;

  private DataElement dataElementA;

  private DataElement dataElementB;

  private ProgramStage stageA;

  private ProgramStage stageB;

  @BeforeAll
  void setUp() {
    OrganisationUnit organisationUnit = createOrganisationUnit('A');
    organisationUnitService.addOrganisationUnit(organisationUnit);
    Program program = createProgram('A', new HashSet<>(), organisationUnit);
    programService.addProgram(program);
    stageA = new ProgramStage("StageA", program);
    stageA.setSortOrder(1);
    programStageService.saveProgramStage(stageA);
    stageB = new ProgramStage("StageB", program);
    stageB.setSortOrder(2);
    programStageService.saveProgramStage(stageB);
    Set<ProgramStage> programStages = new HashSet<>();
    programStages.add(stageA);
    programStages.add(stageB);
    program.setProgramStages(programStages);
    programService.updateProgram(program);
    dataElementA = createDataElement('A');
    dataElementB = createDataElement('B');
    dataElementService.addDataElement(dataElementA);
    dataElementService.addDataElement(dataElementB);
    TrackedEntity trackedEntity = createTrackedEntity(organisationUnit);
    manager.save(trackedEntity);
    programExpressionA =
        new ProgramExpression(
            "["
                + ProgramExpression.OBJECT_PROGRAM_STAGE_DATAELEMENT
                + ProgramExpression.SEPARATOR_OBJECT
                + stageA.getUid()
                + "."
                + dataElementA.getUid()
                + "]",
            "A");
    programExpressionB =
        new ProgramExpression(
            "["
                + ProgramExpression.OBJECT_PROGRAM_STAGE_DATAELEMENT
                + ProgramExpression.SEPARATOR_OBJECT
                + stageA.getUid()
                + "."
                + dataElementB.getUid()
                + "]",
            "B");
  }

  @Test
  void testAddProgramExpression() {
    long idA = programExpressionService.addProgramExpression(programExpressionA);
    long idB = programExpressionService.addProgramExpression(programExpressionB);
    assertNotNull(programExpressionService.getProgramExpression(idA));
    assertNotNull(programExpressionService.getProgramExpression(idB));
  }

  @Test
  void testUpdateProgramExpression() {
    long idA = programExpressionService.addProgramExpression(programExpressionA);
    assertNotNull(programExpressionService.getProgramExpression(idA));
    programExpressionA.setDescription("B");
    programExpressionService.updateProgramExpression(programExpressionA);
    assertEquals("B", programExpressionService.getProgramExpression(idA).getDescription());
  }

  @Test
  void testDeleteProgramExpression() {
    long idA = programExpressionService.addProgramExpression(programExpressionA);
    long idB = programExpressionService.addProgramExpression(programExpressionB);
    assertNotNull(programExpressionService.getProgramExpression(idA));
    assertNotNull(programExpressionService.getProgramExpression(idB));
    programExpressionService.deleteProgramExpression(programExpressionA);
    assertNull(programExpressionService.getProgramExpression(idA));
    assertNotNull(programExpressionService.getProgramExpression(idB));
    programExpressionService.deleteProgramExpression(programExpressionB);
    assertNull(programExpressionService.getProgramExpression(idA));
    assertNull(programExpressionService.getProgramExpression(idB));
  }

  @Test
  void testGetProgramExpression() {
    long idA = programExpressionService.addProgramExpression(programExpressionA);
    long idB = programExpressionService.addProgramExpression(programExpressionB);
    assertEquals(programExpressionA, programExpressionService.getProgramExpression(idA));
    assertEquals(programExpressionB, programExpressionService.getProgramExpression(idB));
  }

  @Test
  void testGetExpressionDescription() {
    programExpressionService.addProgramExpression(programExpressionA);
    String actual =
        programExpressionService.getExpressionDescription(programExpressionA.getExpression());
    String expected =
        "["
            + ProgramExpression.OBJECT_PROGRAM_STAGE_DATAELEMENT
            + ProgramExpression.SEPARATOR_OBJECT
            + "StageA.DataElementA]";
    assertEquals(expected, actual);
  }
}
